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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 797 · 40 questions
TalentJR

What you do (Rub and charge): 1. Tear a sheet of paper into tiny bits on a table. 2. Comb dry, clean hair quickly 10 times. 3. Hold the comb just above the paper bits and watch. 4. Try again with 20 combs, and count the bits each time.

NameDateTime takenScore ___ / 40
  1. 1.True or false: a heavy book does not move to a charged comb. (a) False (b) True
  2. 2.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
  3. 3.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
  4. 4.🔍 Which is the odd one out? (a) puffed rice (b) tiny paper bits (c) a thin water stream (d) a brick
  5. 5.🔍 Which is the odd one out? (a) a heavy book (b) a brick (c) puffed rice (d) a steel spoon
  6. 6.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the same comb (b) the same hair (c) distance to the paper (d) number of rubs
  7. 7.🔍 Which is the odd one out? (a) dry hair (b) a pebble (c) tiny paper bits (d) a thin water stream
  8. 8.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) vinegar (c) dry hair (d) a balloon
  9. 9.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it sticks for a while (c) it turns into water (d) it bursts at once
  10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we keep it the same (b) we change it (c) we measure it
  11. 11.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
  12. 12.🔍 Which is the odd one out? (a) tiny paper bits (b) a thin water stream (c) dry hair (d) a steel spoon
  13. 13.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
  14. 14.⚡ Why does the comb trick work best on a dry day? (a) damp air leaks charge (b) water adds charge (c) wet hair is magnetic (d) dry days are noisy
  15. 15.True or false: yeast is needed for the static comb. (a) True (b) False
  16. 16.🧺 Which of these is needed for the static comb? (a) yeast (b) turmeric powder (c) tiny paper bits (d) a mirror
  17. 17.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a thin water stream (c) dry hair (d) a heavy book
  18. 18.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
  19. 19.🧺 Which of these is needed for the static comb? (a) yeast (b) a mirror (c) a magnet (d) dry hair
  20. 20.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) on a rooftop (c) under a tall tree (d) indoors
  21. 21.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) they turn blue (c) nothing happens (d) the bits jump to it
  22. 22.True or false: a pebble does not move to a charged comb. (a) True (b) False
  23. 23.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) the water stops (c) nothing at all (d) the stream bends
  24. 24.True or false: dry hair is needed for the static comb. (a) False (b) True
  25. 25.🧺 Which of these is not needed for the static comb? (a) a balloon (b) dry hair (c) a plastic comb (d) a mirror
  26. 26.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) paper bits picked up (b) distance to the paper (c) the paper bit size (d) the same comb
  27. 27.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it becomes a magnet (c) it hardly works (d) it works better
  28. 28.⚡ Which of these jumps to a charged comb? (a) a thin water stream (b) a heavy book (c) a brick (d) a pebble
  29. 29.True or false: a battery cell is needed for the static comb. (a) True (b) False
  30. 30.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a heavy book (c) dry hair (d) a brick
  31. 31.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we keep it the same (b) we change it (c) we measure it
  32. 32.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
  33. 33.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
  34. 34.True or false: tiny paper bits does not move to a charged comb. (a) True (b) False
  35. 35.True or false: a magnet is needed for the static comb. (a) False (b) True
  36. 36.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
  37. 37.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is kept the same. (a) True (b) False
  38. 38.True or false: a thin water stream jumps to a charged comb. (a) False (b) True
  39. 39.True or false: puffed rice does not move to a charged comb. (a) True (b) False
  40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) distance to the paper (b) paper bits picked up (c) number of rubs

Answer key

  1. True
  2. not needed
  3. jumps to the comb
  4. a brick
  5. puffed rice
  6. number of rubs
  7. a pebble
  8. vinegar
  9. it sticks for a while
  10. we measure it
  11. True
  12. a steel spoon
  13. needed
  14. damp air leaks charge
  15. False
  16. tiny paper bits
  17. a heavy book
  18. not needed
  19. dry hair
  20. indoors
  21. the bits jump to it
  22. True
  23. the stream bends
  24. True
  25. a mirror
  26. paper bits picked up
  27. it hardly works
  28. a thin water stream
  29. False
  30. dry hair
  31. we change it
  32. jumps to the comb
  33. does not move
  34. False
  35. False
  36. not needed
  37. True
  38. True
  39. False
  40. distance to the paper

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